Gas Fitter Class A

Gas fitter class A (Red Seal) is the highest gas trade certification in British Columbia, qualifying technicians to install, service, and repair large commercial and industrial gas-fired systems exceeding 120 kW. Ace Tech Plumbing & Heating holds this elite credential so businesses across Metro Vancouver, Burnaby, New Westminster, and Coquitlam can count on fully licensed gas work that meets every provincial code requirement. (BC Gas Safety Regulation)
What Gas Fitter Class A Means in BC
A gas fitter class A certification — also known as the Gasfitter A Red Seal designation — covers appliances and equipment with input ratings above 400,000 BTU/hr (120 kW). This threshold separates standard residential-grade work from the heavy commercial and industrial systems found in high-rise buildings, manufacturing plants, hospitals, and district energy networks across Vancouver, Richmond, Surrey, and the broader Lower Mainland. (Red Seal Program)
Under BC’s Gas Safety Regulation, only a licensed Class A journeyperson or apprentice working under direct supervision may legally install, alter, or repair equipment above the 120 kW limit. Class B qualifications are restricted to smaller appliances, so hiring a certified Class A team is essential for any project involving large boilers, rooftop make-up air units, commercial kitchen ranges, or industrial process heaters in North Vancouver, West Vancouver, or Port Moody.
Technical Safety BC enforces these rules strictly. An improperly installed high-capacity appliance can be red-tagged, fined, or shut down — putting operations in Delta, Langley, Maple Ridge, and Pitt Meadows at risk of costly delays and safety hazards.
Why Gas Fitter Class A Matters for Commercial and Industrial Clients
Commercial property managers, general contractors, and plant operators in East Vancouver, Kitsilano, Main Street, and Port Coquitlam benefit from hiring a properly certified Class A contractor for several important reasons. First, liability is reduced because Technical Safety BC confirms the installer holds the correct ticket. Second, insurance claims proceed without dispute when the work is code-compliant. Third, Class A gas professionals understand how high-input systems interact with ventilation, combustion air supply, and building envelope requirements in large structures.
Ace Tech’s licensed Class A technicians carry the experience and training needed for complex commercial projects throughout Anmore, White Rock, Tsawwassen, and Mission. Whether the job involves a 500 kW hydronic boiler, a multi-burner rooftop unit, or a process heater in an industrial facility, our team delivers safe, inspected, and regulation-compliant gas work.
High-Capacity Gas Equipment Ace Tech Can Service
Ace Tech’s Class A credential means we are qualified to handle the following categories of high-capacity gas equipment for clients across Abbotsford, Chilliwack, and the entire Fraser Valley:
- Gas-fired boilers and hydronic heating systems over 120 kW / 400,000 BTU/hr for commercial buildings, strata complexes, and industrial facilities.
- Large rooftop make-up air units and direct-fired heating systems used in warehouses, manufacturing plants, and distribution centres.
- Commercial kitchen equipment with high-input gas connections — including conveyor ovens, wok ranges, and deck ovens in restaurant districts like Gastown and Commercial Drive.
- Industrial process heaters, curing ovens, and thermal oxidizers that require precise gas-line sizing, manifolding, and commissioning.
- Emergency generator fuel systems and standby gas supply connections for hospitals and critical infrastructure.
7 Steps in Our Gas Fitter Class A Service Process
Ace Tech follows a thorough 7-step process when performing Class A gas work across Metro Vancouver:
- Site Assessment — We inspect the existing gas supply, ventilation, and equipment layout at your property in Burnaby, Vancouver, or surrounding areas.
- Load Calculation — Our Class A team calculates BTU input requirements and gas-line sizing to ensure adequate supply without pressure drop.
- Permit Coordination — We pull all required gas permits through Technical Safety BC before any work begins.
- Installation or Repair — Our certified technicians complete the gas piping, connections, controls, and venting to code.
- Leak Testing — Every joint and connection is pressure-tested to confirm zero leaks before the system goes live.
- Commissioning — We verify ignition, flame safeguard controls, combustion efficiency, and CO readings meet manufacturer and code standards.
- Inspection Sign-Off — The completed work is submitted for Technical Safety BC inspection, and we stay on site until the job passes.
Advanced Burners and Combustion Systems
Modern commercial and industrial combustion equipment demands precision — and Ace Tech’s certified team understands how to set up, tune, and maintain the most advanced burner technologies available. (Power Flame — Industrial Burners)
- Premix burners use premixed fuel and air to produce uniform flame distribution, high turndown ratios, and low carbon monoxide emissions — ideal for condensing boilers and process heaters.
- Power or forced-draft burners rely on combustion air fans and engineered airfoil designs to deliver stable airflow, improved efficiency, and quieter operation for high-input commercial equipment.
- Atmospheric burners remain common in smaller commercial applications where simplicity and reliability are priorities, and our certified technicians ensure they operate within safe parameters.
Compliance, Commissioning, and Safety
Every Class A gas project Ace Tech completes in Surrey, Langley, Coquitlam, or anywhere in Metro Vancouver follows a strict compliance framework. We coordinate directly with Technical Safety BC to ensure permits are in place before work starts. After installation, our commissioning process verifies combustion air supply, gas pressure at the appliance, ignition and flame safeguard performance, and exhaust venting integrity.
For building owners, property managers, and plant operators, partnering with a properly certified Class A gas contractor like Ace Tech reduces safety risk, protects liability, and ensures compliance with provincial regulations and inspection standards. (BC Gas Safety Regulation)
Why Choose Ace Tech for Gas Fitter Class A Work
Ace Tech Plumbing & Heating is one of the few contractors in the Lower Mainland that holds active Class A gas fitting certification alongside full plumbing and HVAC licensing. That means clients in New Westminster, Burnaby, North Vancouver, Richmond, and throughout Metro Vancouver get a single-source contractor for mechanical, plumbing, and gas work — reducing scheduling conflicts, trade coordination issues, and project delays.
Our team has completed Class A gas projects ranging from high-rise boiler replacements to industrial process heater installations. Every technician on our gas team carries current certification, ongoing safety training, and hands-on experience with the equipment brands and codes that matter in BC. View our full list of plumbing and HVAC services across Metro Vancouver.
Frequently Asked Questions About Gas Fitter Class A
What is the difference between gas fitter class A and class B?
Gas fitter class A covers appliances and equipment over 400,000 BTU/hr (120 kW), such as commercial boilers, industrial process heaters, and large rooftop units. Class B is limited to residential and light commercial appliances below that threshold. For any high-capacity project in Metro Vancouver, a Class A gas ticket is legally required.
Does Ace Tech hold gas fitter class A certification?
Yes, Ace Tech Plumbing & Heating employs Red Seal certified Class A gas technicians who are licensed to work on large commercial and industrial gas systems throughout Burnaby, Vancouver, and the entire Lower Mainland.
How do I know if my project needs a gas fitter class A contractor?
If your gas equipment has an input rating above 120 kW (400,000 BTU/hr), or if Technical Safety BC requires a Class A permit for the work, then you need a Class A gas contractor. Ace Tech provides free consultations to help property owners and managers in Metro Vancouver determine the correct certification level for their project.
Contact Ace Tech — Gas Fitter Class A Experts
Ready to discuss your commercial or industrial gas project? Ace Tech’s certified Class A team serves Burnaby, Vancouver, New Westminster, Coquitlam, North Vancouver, West Vancouver, Richmond, Surrey, Delta, Langley, Maple Ridge, Pitt Meadows, Port Moody, Port Coquitlam, Anmore, White Rock, Tsawwassen, Mission, Abbotsford, and the entire Metro Vancouver region. Contact Ace Tech today for a free consultation on your Class A gas fitting requirements.